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Anni [7]
3 years ago
13

Which of the following numbers must be added to complete the square in the equation below?

Mathematics
2 answers:
OLga [1]3 years ago
4 0
First, take half of the coefficient of 18x then square it.

18 / 2 = 9
9^2 = 81

So, D. 81 is the answer.
Elenna [48]3 years ago
4 0

Answer:

I’m pretty sure the answer is 54

Step-by-step explanation:

The top answer seemed to only do the first step in the equation but if you take 81 and subtract it by -27, the complete answer equals 54. NEVERMIND!!! after reading the question again, 81 is most likely the correct answer.

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ki77a [65]

Answer:

Step-by-step explanation:

I think it is a strangely worded question as they only refer to the larger gear turning.

I believe that this is what they are going for.

Number of teeth passing in each revolution

The Numbers match when the large gear turns two times as the smaller gear turns three times.

3 0
3 years ago
James has $25 to spend at the concession stand. He buys nachos for $8.50, a soda for $2.50 and some Sour Straws for $1.25 each.
SIZIF [17.4K]
B and D hope it’s right
8 0
3 years ago
Read 2 more answers
Suppose a deep sea driver dives from the surface to 248 feet below the surface. He then dives down 10 more feet. Use integers yo
Akimi4 [234]

Answer:

Initial dive: - 248 (below the surface which represents '0')

Second dive: -10

Present depth -248 + -10 = -258 feet below the surface

Step-by-step explanation:

We can use negative integers to represent real-world scenarios such as in elevation and descent, bank account balances and temperatures.  In this case, because a diver is descending below the surface of the water, the surface of the water represents the '0' and going down into the water would be negative integers.  So, his initial dive is 248 down, or negative 248 (-248), he then dives down an additional 10 feet, or negative 10 (-10).  Since the second dive is in addition to his initial dive, we add the two integers together:

-248 + -10 = -258 feet

5 0
3 years ago
What is the answer to 15/4 + (-41/3)
Tom [10]

use the app called "photo math" will give you your answers i would but the pic is too blurry

5 0
3 years ago
Steps to solve 10.3=0.6y solve the y
Nat2105 [25]
All you need to do is divide 0.6 into both sides.

10.3/0.6= 17.166666666667 ( you could round up to 17.2)

I hope this helps!

~cupcake
4 0
3 years ago
Read 2 more answers
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